> Powerpoint is a popular package for lecture notes. It exports to HTML, but
> there are problems.
So why not use XML, then transform to HTML for the presentation,
and to other media as required?
See http://www.cranesoftwrights.com/shareware/presdev/index.htm
I use it to present - visually via a clickable html page sequence,
then to print and braille.
HTH DaveP